Fracture_98

Fracture_98 t1_jbfjpq4 wrote

It's very common. A standard feature of inaccessible computer equipment is called a "Watchdog Timer".

The system has a hardware counter that turns the computer off and on again if the timer gets too high. You then write your software so that it resets the timer at regular intervals. If your software crashes, it won't reset the timer and the computer will restart.

It's a bit more complicated than that, but it's really effective.

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Fracture_98 t1_j5ngbxn wrote

Well, Disney uses bromine instead of chlorine to keep the water clean. That has a distinct smell and smell triggers nostalgia. I can see the idea behind this, but the scam prices are laughable.

(Edit: they use it because it's safer to handle in large quantities, easier on skin and clothes, and performs much better keeping the water clean. It's more expensive than chlorine which is why pools rarely use it.)

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